Kazi: Line Interface Unit (LIU), Kiolesura: E1, J1, T1, Idadi ya Mizunguko: 8, Voltage - Ugavi: 1.8V, 3.3V, Ugavi wa Sasa: 370mA, Nguvu (Watts): 140mW,
Kazi: Subscriber Line Interface Concept (SLIC), CODEC, Kiolesura: GCI, PCM, SPI, Idadi ya Mizunguko: 2, Voltage - Ugavi: 3.3V, 5V, Ugavi wa Sasa: 65mA, Nguvu (Watts): 941mW,
Kazi: Subscriber Line Interface Concept (SLIC), CODEC, Kiolesura: GCI, PCM, SPI, Idadi ya Mizunguko: 1, Voltage - Ugavi: 3.13V ~ 5.25V, Ugavi wa Sasa: 88mA, Nguvu (Watts): 700mW,